Singapore is currently claiming title of "world's largest (and tallest) indoor vertical farm" with a five story, two hectare automated racked site (Jan 2026):
https://www.youtube.com/watch?v=VJuo6Te1fM4 (2.5 minutes)
https://www.youtube.com/watch?v=VJuo6Te1fM4 (2.5 minutes)
Just about everywhere has understood "bread and circuses" and "let them eat cake" to the point of monetarily promoting food production.
One of the big distinctions between feudalism and extreme capitalism in my mind is forgetting this.